package ejava.examples.orm.rel.composite;
   
   import javax.persistence.*;
   
   /**
    * This class provides an example use of a composite @IdClass primary key
    * where one of the properties of the IdClass is derived from the foreign key.
    */
   @Entity @Table(name="ORMREL_RESIDENT")
  @IdClass(ResidentPK.class)
  @AttributeOverrides({
  	@AttributeOverride(name = "residentId", column=@Column(name="RESIDENT_ID"))
  })
  public class Resident {
  	@Id 
  	@ManyToOne(fetch=FetchType.LAZY, optional=false)
  	@JoinColumn(name="HOUSE_ID", nullable=false)
  	private House house;
  	
  	@Id
  	private int residentId;	
  	
  	public Resident() {}
  	public Resident(House house, int residentId) {
  		this.house=house;
  		this.residentId=residentId;
  	}
  	
  	public House getHouse() { return house; }
  	public int getResidentId() { return residentId; }	
  }